diff -r 98aec1d9e2a0 Doc/library/resource.rst
--- a/Doc/library/resource.rst	Mon Jul 21 18:37:36 2014 -0400
+++ b/Doc/library/resource.rst	Wed Jul 23 08:56:36 2014 +0200
@@ -281,6 +281,8 @@
    | ``1``  | :attr:`ru_stime`    | time in system mode (float)   |
    +--------+---------------------+-------------------------------+
    | ``2``  | :attr:`ru_maxrss`   | maximum resident set size     |
+   |        |                     | (in kilobytes on Linux and    |
+   |        |                     | BSD, in bytes on OSX)         |
    +--------+---------------------+-------------------------------+
    | ``3``  | :attr:`ru_ixrss`    | shared memory size            |
    +--------+---------------------+-------------------------------+
@@ -316,10 +318,7 @@
 .. function:: getpagesize()
 
    Returns the number of bytes in a system page. (This need not be the same as the
-   hardware page size.) This function is useful for determining the number of bytes
-   of memory a process is using. The third element of the tuple returned by
-   :func:`getrusage` describes memory usage in pages; multiplying by page size
-   produces number of bytes.
+   hardware page size.)
 
 The following :const:`RUSAGE_\*` symbols are passed to the :func:`getrusage`
 function to specify which processes information should be provided for.